Granted Patent
Utility
US 6,674,424 · App. 09/698,031
Method and apparatus for inputting information including coordinate data
Inventor:
Susumu Fujioka
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Oct 30, 2000
Inventor
Susumu Fujioka
Assignee (at issue)
RICOH COMPANY, LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.